NSN 5310-01-381-9998 · NIIN 013819998 · Part number GW502CL13
Northrop Grumman Systems Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 26512
Government record, cited
NSN 5310-01-381-9998 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-381-9998. Manufacturer of record part number: GW502CL13.
Also searched as5310-01-381-9998 ·
5310013819998 ·
NIIN 013819998 ·
01-381-9998 ·
FSC 5310 Nuts and Washers · CAGE 26512 · GW502CL13
Material Thickness: 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
Surface Treatment: PASSIVATE OVERALL
Material: STEEL COMP XM-12 OVERALL
Hole Diameter: 0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
1 manufacturer part number on file
Identification
NSN: 5310-01-381-9998
NIIN: 013819998
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: GW502CL13
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Washer,recessed, cataloged under National Stock Number 5310-01-381-9998, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 5310-01-381-9998?
NSN 5310-01-381-9998 is a Washer,recessed, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-381-9998?
NSN 5310-01-381-9998 has 1 manufacturer part number on file: GW502CL13 (Northrop Grumman Systems Corporation).
What are the specifications of GW502CL13?
Key specifications for GW502CL13: Style Designator: RECESSED; Outside Diameter: 1.000 INCHES NOMINAL IN; Material Thickness: 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN; Special Features: CSK 90 DEG X .425 - .440 DIA. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-381-9998 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.